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-rw-r--r--misc/efgcvt_r.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/misc/efgcvt_r.c b/misc/efgcvt_r.c
index 2da5e55b0b..6bead573a7 100644
--- a/misc/efgcvt_r.c
+++ b/misc/efgcvt_r.c
@@ -23,6 +23,7 @@ Boston, MA 02111-1307, USA.  */
 #include <string.h>
 #include <ctype.h>
 #include <math.h>
+#include <stdlib.h>
 
 int
 fcvt_r (value, ndigit, decpt, sign, buf, len)